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Groups > linux.kernel > #1183362
| From | Yingjoe Chen <yingjoe.chen@mediatek.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135 |
| Date | 2015-07-14 07:30 +0200 |
| Message-ID | <pM0X0-6Aa-9@gated-at.bofh.it> (permalink) |
| References | <pM0Nk-6x5-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Add arch timer node to enable arch-timer support. MT8135 firmware
doesn't correctly setup arch-timer frequency and CNTVOFF, add
properties to workaround this.
This also set cpu enable-method to enable SMP.
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
---
arch/arm/boot/dts/mt8135.dtsi | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm/boot/dts/mt8135.dtsi b/arch/arm/boot/dts/mt8135.dtsi
index 0aba9eb..0264d2e 100644
--- a/arch/arm/boot/dts/mt8135.dtsi
+++ b/arch/arm/boot/dts/mt8135.dtsi
@@ -44,6 +44,7 @@
cpus {
#address-cells = <1>;
#size-cells = <0>;
+ enable-method = "mediatek,mt81xx-tz-smp";
cpu0: cpu@0 {
device_type = "cpu";
@@ -96,6 +97,21 @@
};
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
+ IRQ_TYPE_LEVEL_LOW)>;
+ clock-frequency = <13000000>;
+ arm,cpu-registers-not-fw-configured;
+ };
+
soc {
#address-cells = <2>;
#size-cells = <2>;
--
1.8.1.1.dirty
--
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[PATCH v3 0/5] Add SMP bringup support for mt65xx socs Yingjoe Chen <yingjoe.chen@mediatek.com> - 2015-07-14 07:20 +0200
[PATCH v3 3/5] ARM: mediatek: add smp bringup code Yingjoe Chen <yingjoe.chen@mediatek.com> - 2015-07-14 07:20 +0200
[PATCH v3 1/5] ARM: mediatek: enable gpt6 on boot up to make arch timer working Yingjoe Chen <yingjoe.chen@mediatek.com> - 2015-07-14 07:20 +0200
[PATCH v3 2/5] devicetree: bindings: add new SMP enable method Mediatek SoC Yingjoe Chen <yingjoe.chen@mediatek.com> - 2015-07-14 07:30 +0200
[PATCH v3 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135 Yingjoe Chen <yingjoe.chen@mediatek.com> - 2015-07-14 07:30 +0200
Re: [PATCH v3 4/5] ARM: dts: mt8135: enable basic SMP bringup for mt8135 Yingjoe Chen <yingjoe.chen@mediatek.com> - 2015-07-16 16:50 +0200
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